patch some bugfixs into opensource

src/observer/mysql/ob_sync_plan_driver.cpp

@@ -82,6 +82,8 @@ int ObSyncPlanDriver::response_result(ObMySQLResultSet& result)
         retry_ctrl_.test_and_save_retry_state(gctx_, ctx_, result, ret, cli_ret);
         LOG_WARN("result response failed, check if need retry", K(ret), K(cli_ret), K(retry_ctrl_.need_retry()));
         ret = cli_ret;
+      } else {
+        ObResultSet::refresh_location_cache(result.get_exec_context().get_task_exec_ctx(), true, ret);
       }
       // After judging whether you need to retry, we won't judge whether to retry later
       THIS_WORKER.disable_retry();

src/observer/ob_inner_sql_result.cpp

@@ -100,6 +100,7 @@ int ObInnerSQLResult::open()
         ret = OB_INIT_TWICE;
         LOG_WARN("result set already open", K(ret));
       } else if (OB_FAIL(result_set_->sync_open())) {
+        ObResultSet::refresh_location_cache(result_set_->get_exec_context().get_task_exec_ctx(), true, ret);
         LOG_WARN("open result set failed", K(ret));
         // move after precess_retry().
         //        result_set_->close();
@@ -147,6 +148,7 @@ int ObInnerSQLResult::inner_close(bool need_retry)
   WITH_CONTEXT(mem_context_)
   {
     if (OB_FAIL(result_set_->close(need_retry))) {
+      ObResultSet::refresh_location_cache(result_set_->get_exec_context().get_task_exec_ctx(), true, ret);
       LOG_WARN("result set close failed", K(ret), K(need_retry));
     }
   }
@@ -168,6 +170,7 @@ int ObInnerSQLResult::next()
     {
       if (OB_FAIL(result_set_->get_next_row(row_))) {
         if (OB_ITER_END != ret) {
+          ObResultSet::refresh_location_cache(result_set_->get_exec_context().get_task_exec_ctx(), true, ret);
           LOG_WARN("get next row failed", K(ret));
         }
       }

src/sql/engine/dml/ob_table_modify.cpp

@@ -405,7 +405,6 @@ OB_DEF_SERIALIZE(ObTableModify)
   }
   OB_UNIS_ENCODE(is_pdml_index_maintain_);
   OB_UNIS_ENCODE(table_location_uncertain_);
-  OB_UNIS_ENCODE(is_pdml_index_maintain_);
   return ret;
 }
 
@@ -487,7 +486,6 @@ OB_DEF_DESERIALIZE(ObTableModify)
   OB_UNIS_DECODE_EXPR_DLIST(ObSqlExpression, tsc_virtual_column_exprs_, my_phy_plan_);
   OB_UNIS_DECODE(is_pdml_index_maintain_);
   OB_UNIS_DECODE(table_location_uncertain_);
-  OB_UNIS_DECODE(is_pdml_index_maintain_);
   return ret;
 }
 
@@ -532,7 +530,6 @@ OB_DEF_SERIALIZE_SIZE(ObTableModify)
   len += get_dlist_serialize_size(tsc_virtual_column_exprs_);
   OB_UNIS_ADD_LEN(is_pdml_index_maintain_);
   OB_UNIS_ADD_LEN(table_location_uncertain_);
-  OB_UNIS_ADD_LEN(is_pdml_index_maintain_);
   return len;
 }
 

src/sql/engine/px/ob_dfo_scheduler.cpp

@@ -980,16 +980,14 @@ int ObParallelDfoScheduler::dispatch_sqc(
     } else {
       LOG_WARN("fail to wait all async init sqc", K(ret), K(exec_ctx));
     }
-  }
-  int saved_ret = ret;
-  ret = OB_SUCCESS;
+  } else {
     const ObArray<ObSqcAsyncCB*>& callbacks = proxy.get_callbacks();
-  ARRAY_FOREACH(callbacks, idx)
-  {
+    ARRAY_FOREACH(callbacks, idx) {
       const ObSqcAsyncCB* cb = callbacks.at(idx);
       const ObPxRpcInitSqcResponse& resp = (*cb).get_result();
       ObPxSqcMeta& sqc = *sqcs.at(idx);
-    if (sqc.need_report() && !fast_sqc) {
+      sqc.set_need_report(true);
+      if (!fast_sqc) {
         ObPxInitSqcResultMsg pkt;
         pkt.dfo_id_ = sqc.get_dfo_id();
         pkt.sqc_id_ = sqc.get_sqc_id();
@@ -1005,8 +1003,6 @@ int ObParallelDfoScheduler::dispatch_sqc(
         }
       }
     }
-  if (saved_ret != OB_SUCCESS) {
-    ret = saved_ret;
   }
 
   return ret;

src/sql/engine/px/ob_px_rpc_processor.cpp

@@ -75,6 +75,17 @@ int ObInitSqcP::process()
   } else {
     /*do nothing*/
   }
+  if (OB_FAIL(ret) && OB_NOT_NULL(sqc_handler)) {
+    if (unregister_interrupt_) {
+      ObPxRpcInitSqcArgs &arg = sqc_handler->get_sqc_init_arg();
+      UNSET_INTERRUPTABLE(arg.sqc_.get_interrupt_id().px_interrupt_id_);
+      unregister_interrupt_ = false;
+    }
+    ObPxSqcHandler::release_handler(sqc_handler);
+    arg_.sqc_handler_ = nullptr;
+  }
+  // 非rpc框架的错误内容设置到response消息中
+  // rpc框架的错误码在process中返回OB_SUCCESS
   result_.rc_ = ret;
   // return value by result_.rc_
   return OB_SUCCESS;
@@ -137,16 +148,20 @@ int ObInitSqcP::after_process()
     ret = startup_normal_sqc(*sqc_handler);
   }
 
-  /**
-   * clear interrupt
-   */
+  if (!no_need_startup_normal_sqc) {
     if (unregister_interrupt_) {
-    ObPxRpcInitSqcArgs& arg = sqc_handler->get_sqc_init_arg();
+      if (OB_ISNULL(sqc_handler = arg_.sqc_handler_)
+          || !sqc_handler->valid()) {
+        ret = OB_ERR_UNEXPECTED;
+        LOG_WARN("Invalid sqc handler", K(ret), KPC(sqc_handler));
+      } else {
+        ObPxRpcInitSqcArgs &arg = sqc_handler->get_sqc_init_arg();
         UNSET_INTERRUPTABLE(arg.sqc_.get_interrupt_id().px_interrupt_id_);
       }
-
+    }
     ObPxSqcHandler::release_handler(sqc_handler);
     arg_.sqc_handler_ = nullptr;
+  }
 
   return ret;
 }

src/sql/engine/px/ob_px_sqc_async_proxy.cpp

@@ -200,7 +200,6 @@ int ObPxSqcAsyncProxy::wait_all()
           } else {
             results_.at(idx) = &cb_result;
           }
-          sqcs_.at(idx)->set_need_report(true);
         } else {
           // RPC framework error, need no retry
           ret = callback.get_ret_code().rcode_;
@@ -273,10 +272,6 @@ void ObPxSqcAsyncProxy::fail_process()
           LOG_DEBUG("async sql fails, wait all callbacks", K(return_cb_count_), K(callbacks_.count()));
           callback.set_visited(true);
         }
-        // same condition with ObPxSqcAsyncProxy::wait_all().
-        if (callback.get_ret_code().rcode_ == OB_SUCCESS && callback.is_processed()) {
-          sqcs_.at(idx)->set_need_report(true);
-        }
       }
     }
     cond_.wait_us(500);

src/sql/engine/px/ob_px_worker.cpp

@@ -261,6 +261,7 @@ int ObPxThreadWorker::run_at(ObPxRpcInitTaskArgs& task_arg, omt::ObPxPool& px_po
           if (OB_SUCCESS != tmp_ret) {
             LOG_WARN("fail increase thread count. abort!", K(tmp_ret), K(ret));
             ret = tmp_ret;
+            break;
           }
         }
         usleep(5000);

src/sql/ob_result_set.cpp

@@ -1096,6 +1096,19 @@ int ObResultSet::init_cmd_exec_context(ObExecContext& exec_ctx)
   return ret;
 }
 
+void ObResultSet::refresh_location_cache(ObTaskExecutorCtx &task_exec_ctx, bool is_nonblock, int err)
+{
+  if (OB_NOT_MASTER == err || OB_PARTITION_NOT_EXIST == err || is_server_down_error(err)) {
+    int err2 = ObTaskExecutorCtxUtil::refresh_location_cache(task_exec_ctx,
+                                                             is_nonblock);
+    if (OB_SUCCESS != err2) {
+      LOG_WARN("fail to refresh location cache", K(err2), K(is_nonblock), K(err));
+    }
+    LOG_TRACE("partition change or not master or no response, refresh location cache", K(err));
+  }
+}
+
+// obmp_query中重试整个SQL之前，可能需要调用本接口来刷新Location，以避免总是发给了错误的服务器
 int ObResultSet::refresh_location_cache(bool is_nonblock)
 {
   return ObTaskExecutorCtxUtil::refresh_location_cache(get_exec_context().get_task_exec_ctx(), is_nonblock);

src/sql/ob_result_set.h

@@ -188,6 +188,7 @@ public:
   stmt::StmtType get_inner_stmt_type() const;
   stmt::StmtType get_literal_stmt_type() const;
   int64_t get_query_string_id() const;
+  static void refresh_location_cache(ObTaskExecutorCtx &task_exec_ctx, bool is_nonblock, int err);
   int refresh_location_cache(bool is_nonblock);
   int check_and_nonblock_refresh_location_cache();
   bool need_execute_remote_sql_async() const

src/sql/resolver/expr/ob_raw_expr_printer.cpp

@@ -1240,12 +1240,13 @@ int ObRawExprPrinter::print(ObSysFunRawExpr* expr)
         break;
       }
       case T_FUN_SYS_LNNVL: {
-        DATA_PRINTF("%.*s", LEN_AND_PTR(func_name));
+        DATA_PRINTF("(%.*s", LEN_AND_PTR(func_name));
         if (1 != expr->get_param_count()) {
           ret = OB_ERR_UNEXPECTED;
           LOG_WARN("param count should be equal 1", K(ret), K(expr->get_param_count()));
         } else {
           PRINT_EXPR(expr->get_param_expr(0));
+          DATA_PRINTF(")");
         }
         break;
       }

src/sql/resolver/expr/ob_raw_expr_resolver_impl.cpp

@@ -3390,6 +3390,7 @@ int ObRawExprResolverImpl::process_lnnvl_node(const ParseNode* node, ObRawExpr*&
   switch (param_type) {
     case T_FUN_SYS_LNNVL:
     case T_FUN_SYS_REGEXP_LIKE:
+    case T_OP_EXISTS:
     case T_OP_IS:
     case T_OP_IS_NOT:
     case T_OP_LIKE: